Results 111 to 120 of about 324,266 (197)

Dual electrode capacitive micromachined ultrasonic transducer array for 1-D intracardiac echocardiography (ICE)

, 2007
We designed and fabricated a 64 element 1-D linear dual electrode Capacitive Micromachined Ultrasonic Transducer (CMUT) array operating at 9.5 MHz for Intracardiac Echocardiography (ICE).
Karaman, Mustafa, Güldiken, Rasim Oytun, Zahorian, Jaime S., Değertekin, Fahrettin Levent   +3 more
core   +1 more source

Silicon nanocolumn-based disposable and flexible ultrasound patches

Nature Communications
Traditional wearable ultrasound devices pose challenges concerning the rigidity and environmental impact of lead-based piezoelectric materials. This study proposes a silicon nanocolumn capacitive micromachined ultrasonic transducer (snCMUT) array for ...
Dong-Hyun Kang, Seonghun Cho, Hae Youn Kim, Shinyong Shim, Dong Hun Kim, Baren Jeong, Yoon Seong Lee, Eun-Ah Park, Whal Lee, Hyungmin Kim, Butrus T. Khuri-Yakub, Maesoon Im, Jae-Woong Jeong, Byung Chul Lee   +13 more
doaj   +1 more source

Accurately Predicting the Performance of Polymer-Based CMUTs by Coupling Finite-Element and Analytical Models

IEEE Open Journal of Ultrasonics, Ferroelectrics, and Frequency Control
This paper introduces a hybrid modeling approach to accurately predict the performance of polymer-based Capacitive Micromachined Ultrasonic Transducers (polyCMUTs) by coupling finite element analysis (FEA) with analytical methods.
Martin Angerer, Jonas Welsch, Carlos D. Gerardo, Edmond Cretu, Robert Rohling   +4 more
doaj   +1 more source

Airborne Capacitive Micromachined Ultrasonic Transducers in Pitch–Catch Mode: Modeling and Characterization of the Measurement Chain

IEEE Open Journal of Ultrasonics, Ferroelectrics, and Frequency Control
Capacitive Micromachined Ultrasonic Transducers (CMUTs) feature broadband operation as well as high sensitivity, showing promise for applications such as pressure sensing, ultrasonic imaging, and wireless power transfer.
Yilihamu Abudujiasuer, Etienne Lemaire, Flavien Barcella, Isabelle Dufour, Dominique Certon   +4 more
doaj   +1 more source

A low pull-in SU-8 based Capacitive Micromachined Ultrasonic Transducer for medical imaging applications

, 2014
In this paper we present a thorough analysis of a low pull-in voltage Capacitive Micromachined Ultrasonic Transducer (CMUT) using SU-8 as the membrane material.
Vanjari, Siva Rama Krishna, Jose Joseph, Shiv Govind Singh, Siva Rama Krishna Vanjari, Singh, S G, Joseph, J, Singh, Shiv Govind, Vanjari, S R K   +7 more
core   +1 more source

Capacitive micromachined ultrasonic tranducers: Technology and application

, 2012
Link to publisher’s homepage at http://www.elsevier.com/Capacitive micromachined ultrasonic tranducers (cMUTs) have recently emerged as an alternative to conventional piezoelectric transducers.
Khairudi, Mohd Juni., Naseer, Sabri, Mohd Fareq, Abd. Malek, Dr., Muhammed Sabri, Salim, Boon, Raymond Whee Heng, Prof. Dr.   +4 more
core  

Capacitive micromachined ultrasonic transducer arrays for integrated diagnostic/therapeutic catheters

, 2006
In recent years, medical procedures have become increasingly non-invasive. These include endoscopic procedures and intracardiac interventions (e.g., pulmonary vein isolation for treatment of atrial fibrillation and plaque ablation for treatment of ...
Khuri-Yakub, Butrus T., Yeh, David T., Kupnik, Mario, Wygant, Ira O., BAYRAM, BARIŞ, Wong, Serena H., Bayram, Barış, Ergun, A. Sanli, Yaralioglu, Goksen G., Zhuang, Xuefeng, Oralkan, Omer   +10 more
core   +1 more source

Capacitive micromachined ultrasonic transducer (cMUT) for biometric applications

, 2012
Biometric devices (such as fingerprint sensors, iris scanners, face recognition systems etc.) are becoming more and more popular in areas where personal identification is required - migration control, physical access, online banking etc.
FESENKO, PAVLO
core  

The application of air-coupled ultrasonic systems and signal processing to the interrogation of concrete [PDF]

This thesis describes the application of ultrasound to the interrogation of concrete for the retrieval of quantitative information. In particular the use of air-coupled ultrasound is applied for the first time with recent improvement in ultrasonic ...
Berriman, James Robert Stockwell
core  

Acoustic Energy Transfer through Skin Using Capacitive Micromachined Ultrasonic Transducers

International audienceThis work presents the working principles and results of a Capacitive Micromachined Ultrasonic Transducer (CMUT) for an acoustic energy transfer through skin.
Nadaud, Kevin, Roche, Paul, Certon, Dominique, Poulin-Vittrant, Guylaine, Le Bunetel, Jean-Charles, Callé, Samuel   +5 more
core   +1 more source